—Your bedroom is so dirty. Would you please Peter?—OK mum. I’ll do it right away.A. set

问题补充：

—Your bedroom is so dirty. Would you please ,Peter?

—OK, mum. I’ll do it right away.

A. set it up

B. put it on

C. pick it up

D. clean it up

答案：

A. set it up

B. put it on

C. pick it up

(答案→)D. clean it up

解析：考查点：动词词组辨析。解题思路：set up“建立”， put on“穿上”,pick up “捡起”,clean up “清理，打扫”。根据句意：你的卧室很脏，你可以去打扫吗？故选D。